15 Nov IMG_8090
A few nice draw images I found:
Image by jr⁹⁸⁶⁶⁴
Outside shooting robots with Drew.
Late night planimetry session
Image by scruss
Measuring areas of drawn shapes or on maps used to be really hard. Here I’m using a planimeter to measure a shape. The final area reads directly from the dials, if you have the sliding scale set correctly.
Averaging three readings, I got within 1% of the true area.